Home / 27,072.08-40,589.04-10,418.12

Finding the Fourth Proportional to 27,072.08, 40,589.04 and 10,418.12

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Solution

The fourth proportional to 27,072.08, 40,589.04 and 10,418.12 is: 15,619.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,072.08 : 40,589.04 = 10,418.12 : x
  2. Step 2: Convert to fraction form
    27,072.08/40,589.04 = 10,418.12/x
  3. Step 3: Cross multiply
    27,072.08x = 40,589.04 × 10,418.12
  4. Step 4: Simplify right side
    27,072.08x = 422,861,489.40
  5. Step 5: Solve for x
    x = 422,861,489.40/27,072.08
  6. Step 6: Final answer
    x = 15,619.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.